Grandma’s tip for cleaning car headlights

White toothpaste (and no, this time, it’s not for your teeth).
An old toothbrush (don’t worry, your car doesn’t have cavities).
A soft cloth
Water

Here’s how to do it:

Turn off your headlights slightly.
Apply a generous layer of toothpaste to the areas to be cleaned.
Use the toothbrush to scrub gently but firmly, focusing on the dirtiest areas.
Rinse with clean water.
Dry with the soft cloth.
Three Important Things to Know About Cleaning Car Headlights